High 1027 hPa centered on Switzerland remaining almost stationary.
For Plage des Petites Dalles :
No gale warning.
We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.
Fairly clear skies progressively clouding over in the morning, sunny becoming changeable in the afternoon. No precipitation. In the evening, cloudy spells, sometimes dense.
No precipitation. WSW force 3 turning WNW in the middle of the day then becoming force 4. Gusts reaching 20 knots in the evening. Smooth sea becoming smooth to slight in the middle of the day then slight. Low, short swell from WNW. Poor visibility becoming excellent in the middle of the day.